Interim work on audio import and processing.
Merge branch 'develop3d' of https://github.com/mono/MonoGame into pipeline
Added content building classes.
Added solution for windows content pipeline.
Added project for the MonoGame Content Builder command line tool.
First pass at parsing the .contentproj and executing the build.
WIP for pipeline.
* Added XML documentation to several classes.
Merge branch 'develop3d' of https://github.com/mono/MonoGame into pipeline
We better handle exceptions in content processing.
PipelineManager expects absolute assembly paths now.
We now use the XNAGSv4 environment variable to resolve XNA assemblies.
We now try to load assemblies from the GAC if possible.
The output folder name is now specified on the command line.
Merge branch 'develop3d' of https://github.com/mono/MonoGame into pipeline
Merge branch 'develop3d' of https://github.com/mono/MonoGame into develop3d
Merge branch 'develop3d' of https://github.com/mono/MonoGame into develop3d
Merge branch 'develop3d' into pipeline
Merge branch 'mgcb' of https://github.com/SickheadGames/MonoGame into pipeline
DepthStencilState not setting the ReferenceStencil value

DepthStencilState was not setting ReferenceStencil which causes strange
results when using stencil masks with ReferenceStencil other than zero.
It now looks ok (similar to XNA) for my stencil shadow implementation.
Merge remote-tracking branch 'upstream/develop3d' into nkastBranch
Merge pull request #1173 from nkast/nkastBranch

DepthStencilState was not setting ReferenceStencil
Added a clean target and the content processor target to the build script
Updated the installer to include the new pages
Remvoed Xamarin page from the installer
MonoGame 3.0 Release 2013-01-11
Fixed Installer to run OpenAL silently.